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PCI/ISA UD486GRN
UNIDENTIFIED
PCI/ISA UD486GRN
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Processor
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CX486SX/80486SX/SL80486SX/SL80486SX2/CX486DX/AM486DX/UMCU5S/ SL80486DX/CX486DX2/AM486DX2/SL80486DX2/AM486DX4/80486DX4
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Processor Speed
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25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
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Chip Set
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UMC
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Max. Onboard DRAM
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128MB
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Cache
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128/256/512KB
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BIOS
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Unidentified
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Dimensions
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220mm x 220mm
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I/O Options
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32-bit PCI slots (3), green PC connector, IDE interfaces (2)
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NPU Options
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None
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CONNECTIONS
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Purpose
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Location
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Purpose
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Location
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Speaker
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CN1
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Turbo switch
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JP29
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Power LED & keylock
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CN2
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Turbo LED
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JP30
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IDE interface
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JH1
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Reset switch
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JP31
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IDE interface
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JH2
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IDE interface LED
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JP32
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Green PC connector
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JP26
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32-bit PCI slots
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PC1 - PC3
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USER CONFIGURABLE SETTINGS
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Function
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Jumper
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Position
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»
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CMOS memory normal operation
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JC
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Closed
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CMOS memory clear
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JC
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Open
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IDE interface enabled
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JP2
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Open
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IDE interface disabled
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JP2
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Closed
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»
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Port address fixed
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JP3
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Closed
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Port address relocatable
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JP3
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Open
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»
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Factory configured - do not alter
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JP10
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Open
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»
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Factory configured - do not alter
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JP15
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pins 1 & 2 closed
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DRAM CONFIGURATION
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Size
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Bank 0
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Bank 1
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Bank 2
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Bank 3
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2MB
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(1) 256K x 36
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(1) 256K x 36
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NONE
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NONE
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4MB
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(1) 1M x 36
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NONE
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NONE
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NONE
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4MB
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NONE
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(1) 1M x 36
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NONE
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NONE
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8MB
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(1) 1M x 36
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(1) 1M x 36
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NONE
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NONE
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8MB
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NONE
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NONE
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(1) 2M x 36
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NONE
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12MB
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(1) 1M x 36
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(1) 1M x 36
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(1) 1M x 36
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NONE
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16MB
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(1) 1M x 36
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(1) 1M x 36
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(1) 1M x 36
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(1) 1M x 36
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16MB
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(1) 2M x 36
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(1) 2M x 36
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NONE
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NONE
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16MB
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(1) 4M x 36
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NONE
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NONE
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NONE
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32MB
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(1) 4M x 36
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(1) 4M x 36
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NONE
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NONE
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32MB
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NONE
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NONE
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(1) 4M x 36
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(1) 4M x 36
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32MB
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(1) 8M x 36
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NONE
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NONE
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NONE
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48MB
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(1) 4M x 36
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(1) 4M x 36
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(1) 4M x 36
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NONE
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64MB
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(1) 8M x 36
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(1) 8M x 36
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NONE
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NONE
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128MB
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(1) 8M x 36
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(1) 8M x 36
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(1) 8M x 36
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(1) 8M x 36
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CACHE CONFIGURATION
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Size
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Bank 0
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TAG
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128KB
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(4) 32K x 8
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(1) 8K x 8
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256KB
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(4) 64K x 8
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(1) 32K x 8
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512KB
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(4) 128K x 8
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(1) 32K x 8
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CACHE JUMPER CONFIGURATION
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Size
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JP22
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JP23 pins 1 & 2
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JP23 pins 3 & 4
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JP25
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128KB
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Open
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Closed
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Open
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pins 1 & 2 closed
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256KB
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Open
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Closed
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Closed
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pins 2 & 3 closed
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512KB
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Closed
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Closed
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Closed
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pins 2 & 3 closed
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CPU TYPE CONFIGURATION
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Type
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JP7
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JP11
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JP12
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JP13
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JP14
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CX486SX
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Open
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1 & 2
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Open
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2 & 3
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1 & 2, 3 & 4
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80486SX
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Closed
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Open
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Open
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2 & 3
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Open
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SL80486SX
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Closed
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Open
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Open
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2 & 3
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2 & 3, 4 & 5
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SL80486SX2
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Closed
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Open
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Open
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2 & 3
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2 & 3, 4 & 5
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CX486DX
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Open
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1 & 2
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3 & 4
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1 & 2, 3 & 4
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1 & 2, 3 & 4
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AM486DX
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Closed
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Open
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3 & 4
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1 & 2, 3 & 4
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Open
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UMCU5S
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Closed
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Open
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1 & 2
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2 & 3
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Open
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SL80486DX
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Closed
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Open
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3 & 4
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1 & 2, 3 & 4
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2 & 3, 4 & 5
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CX486DX2
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Open
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1 & 2
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3 & 4
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1 & 2, 3 & 4
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1 & 2, 3 & 4
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AM486DX2
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Closed
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Open
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3 & 4
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1 & 2, 3 & 4
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Open
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SL80486DX2
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Closed
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Open
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3 & 4
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1 & 2, 3 & 4
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2 & 3, 4 & 5
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AM486DX4
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Closed
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Open
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3 & 4
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1 & 2, 3 & 4
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Open
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80486DX4
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Closed
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Open
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3 & 4
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1 & 2, 3 & 4
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2 & 3, 4 & 5
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Note: Pins designated should be in the closed position.
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CPU TYPE CONFIGURATION (CON’T)
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Type
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JP16
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JP17
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JP19
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JP20
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JP21
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JP24
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CX486SX
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2 & 3
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1 & 2
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2 & 3
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1 & 2
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2 & 3
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2 & 3
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80486SX
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1 & 2
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1 & 2
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Open
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Open
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Open
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Open
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SL80486SX
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1 & 2
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1 & 2
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Open
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1 & 2
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1 & 2
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Open
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SL80486SX2
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1 & 2
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1 & 2
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Open
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1 & 2
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1 & 2
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Open
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CX486DX
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2 & 3
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1 & 2
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2 & 3
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1 & 2
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2 & 3
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2 & 3
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AM486DX
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1 & 2
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1 & 2
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Open
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Open
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Open
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Open
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UMCU5S
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1 & 2
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2 & 3
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Open
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2 & 3
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Open
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3 & 4
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SL80486DX
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1 & 2
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1 & 2
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Open
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1 & 2
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1 & 2
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Open
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CX486DX2
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2 & 3
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1 & 2
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2 & 3
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1 & 2
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2 & 3
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2 & 3
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AM486DX2
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1 & 2
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1 & 2
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Open
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Open
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Open
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Open
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SL80486DX2
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1 & 2
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1 & 2
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Open
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1 & 2
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1 & 2
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Open
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AM486DX4
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1 & 2
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1 & 2
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Open
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Open
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Open
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Open
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80486DX4
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1 & 2
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1 & 2
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Open
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1 & 2
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1 & 2
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Open
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Note: Pins designated should be in the closed position.
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CPU SPEED CONFIGURATION
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Speed
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JP18 pins 1 & 2
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JP18 pins 3 & 4
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JP18 pins 5 & 6
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25MHz
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Open
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Open
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Open
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33MHz
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Closed
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Closed
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Open
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40MHz
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Open
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Closed
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Open
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50iMHz
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Open
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Open
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Open
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50MHz
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Closed
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Open
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Open
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66iMHz
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Closed
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Closed
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Open
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75iMHz
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Open
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Open
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Open
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100iMHz
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Closed
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Closed
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Open
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CPU SPEED CONFIGURATION (80486DX4 ONLY)
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Speed
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JP9
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2x
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Closed
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3x
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Open
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KEYBOARD CONFIGURATION
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Setting
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JP1
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JP4
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JP5
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JP6
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JP27
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JP28
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Internal
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7 & 8, 9 & 10
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1 & 2
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1 & 2
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1 & 2
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2 & 3
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1 & 2
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External
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1 & 3, 2 & 4, 5 & 7, 6 & 8
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2 & 3
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2 & 3
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2 & 3
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1 & 2
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2 & 3
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Note: Pins designated should be in the closed position.
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MISCELLANEOUS TECHNICAL NOTE
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Note: The location of pin 1 is unidentified. Jumpers are shown for location purposes only. The actual location may vary.
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